Open G Tuner Online
Tune your guitar by ear with your microphone, free.
Open G is the slide player's tuning — strum all six open strings and a full G major chord rings out, ready for bottleneck slide and rolling blues licks. Dial it in below before you reach for the slide.
About Open G Tuning
Open G tuning is D G D G B D (low to high). Because the open strings already spell a G major chord, you can fret a complete major chord anywhere on the neck by barring a single fret — which is exactly why slide guitarists live in this tuning. It is the home of greasy bottleneck blues and the chugging, open-chord rhythm sound made famous by the Rolling Stones.
To reach Open G from standard EADGBE, lower three strings: drop the low E down a whole step to D, drop the A (fifth) string down a whole step to G, and drop the high E down a whole step to D. The D, G and B strings in the middle stay where they are. When you are done, strumming open gives you that big, ringing G chord.
Keith Richards famously removes the low D string entirely and plays a five-string Open G — but for tuning purposes, set all six strings to D G D G B D and you are ready to slide.
Common Genres
- Slide and bottleneck blues
- Roots and Americana rock
- Country blues and Delta blues
- Rolling Stones–style open-chord rhythm
Famous Songs
- Honky Tonk Women — The Rolling Stones
- Brown Sugar — The Rolling Stones
- Walking Blues — Robert Johnson
- Death Letter — Son House
How to use this tuner
- Click Start Tuner and allow microphone access when prompted.
- Pluck each string one at a time — the matching peg below lights up automatically.
- Tap any peg to hear its exact target pitch as a slide reference.
- Lower the low E, A and high E strings until each dial sits inside the green band.
FROM TUNED TO PLAYING
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